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How Animals Sleep
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Ducks often sleep in a line. What do the ducks on both ends of the line do?
They help keep the group safe. They keep one eye open.
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Why do some seabirds sleep while flying?
They are safer in the air than on the water
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Where do giraffes put their head while they sleep?
On their body
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Before a seal sleeps underwater, it will______
take a deep breath and dive
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Why do animals sleep in different ways?
To stay alive
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When do bats sleep?
They sleep during the day.
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A dolphin sleeps with just half its brain. Why must it stay awake?
To breathe and watch for danger
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When a bird glides it __________
flies without flapping its wings
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For how long can dolphins and their babies stay awake?
For almost 2 months!
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Which birds can sleep while they fly?
Some seabirds such as albatros
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Which animals can sleep while standing up?
Horses and flamingos
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Why do some fish make a bubble to sleep in?
to keep themselves in one place
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